Simple explanation: Criminals have been inspired by President Obama and have reformed their evil ways.

Everybody knows criminals skew democratic.

http://johnrlott.tripod.com/op-eds/NYPostFelonVoting.html

"In recent academic work, Jeff Manza and Marcus Britton of Northwestern University and Christopher Uggen of the University of Minnesota estimated that Bill Clinton pulled 86 percent of the felon vote in 1992 and a whopping 93 percent in '96."